Base | Representation |
---|---|
bin | 1000111100110… |
… | …00110111100010 |
3 | 12020021012121010 |
4 | 10132120313202 |
5 | 123204400132 |
6 | 11241041350 |
7 | 1601061450 |
oct | 436306742 |
9 | 166235533 |
10 | 75075042 |
11 | 39417a99 |
12 | 21186256 |
13 | 12727803 |
14 | 9d839d0 |
15 | 68ce6cc |
hex | 4798de2 |
75075042 has 32 divisors (see below), whose sum is σ = 180633600. Its totient is φ = 20320848.
The previous prime is 75075037. The next prime is 75075047. The reversal of 75075042 is 24057057.
It is an interprime number because it is at equal distance from previous prime (75075037) and next prime (75075047).
It is not an unprimeable number, because it can be changed into a prime (75075047) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46242 + ... + 47837.
It is an arithmetic number, because the mean of its divisors is an integer number (5644800).
Almost surely, 275075042 is an apocalyptic number.
75075042 is an abundant number, since it is smaller than the sum of its proper divisors (105558558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75075042 is a wasteful number, since it uses less digits than its factorization.
75075042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94110.
The product of its (nonzero) digits is 9800, while the sum is 30.
The square root of 75075042 is about 8664.5855065317. The cubic root of 75075042 is about 421.8569365983.
The spelling of 75075042 in words is "seventy-five million, seventy-five thousand, forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •